Issued Patents 1997
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5670443 | Exhaust gas cleaner and method for cleaning exhaust gas | Naoko Irite, Akira Abe | 1997-09-23 |
| 5670444 | Exhaust gas cleaner and method for cleaning same | Gyo Muramatsu, Akira Abe, Naoko Irite | 1997-09-23 |
| 5658542 | Exhaust gas cleaner and method for cleaning same | Gyo Muramatsu, Akira Abe, Naoko Irite | 1997-08-19 |
| 5658543 | Exhaust gas cleaner and method for cleaning same | Gyo Muramatsu, Akira Abe, Naoko Irite | 1997-08-19 |
| 5656249 | Exhaust gas cleaner and method for removing nitrogen oxides | Akira Abe, Tatsuo Miyadera, Naoko Irite | 1997-08-12 |
| 5645804 | Method for cleaning exhaust gas containing nitrogen oxides | Satoshi Sumiya, Seiji Makino, Yoshikazu Takahashi, Masataka Furuyama, Akira Abe +2 more | 1997-07-08 |